CN210839467U - Junction box with heat dissipation structure - Google Patents
Junction box with heat dissipation structure Download PDFInfo
- Publication number
- CN210839467U CN210839467U CN201921479109.2U CN201921479109U CN210839467U CN 210839467 U CN210839467 U CN 210839467U CN 201921479109 U CN201921479109 U CN 201921479109U CN 210839467 U CN210839467 U CN 210839467U
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- CN
- China
- Prior art keywords
- heat dissipation
- box
- photovoltaic module
- junction box
- box body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a terminal box with heat radiation structure, including the terminal box, the terminal box is including the heat dissipation box body that adopts the heat radiation material to make. The junction box photovoltaic module made of the heat dissipation material can not only keep various performances of the existing photovoltaic module, but also reduce the surface temperature and the working temperature of the module.
Description
Technical Field
The utility model relates to a solar module encapsulates technical field, especially relates to a terminal box with heat radiation structure.
Background
Solar energy belongs to one of renewable energy sources, has the characteristics of large reserves, permanence, cleanness, no pollution, renewability, on-site availability and the like, and therefore becomes the best energy source choice known by human beings to be available at present. Wherein solar energy is utilized in an important manner when the photovoltaic module unit is utilized for photoelectric conversion. In photovoltaic technology, an intelligent component is a product of integrating intelligent control into the photovoltaic industry, such as an intelligent junction box. The junction box has higher working temperature, is easy to damage or even explode due to serious heating in daily work, reliability test and other occasions, and has certain restriction effect on the development of the junction box. The purpose of this project development is to research and develop the quick radiating photovoltaic module of intelligence, and it is appropriate to provide a material, and is rational in infrastructure, can effectively dispel the heat, reduces the operating temperature of subassembly battery piece, improves the high-efficient photovoltaic intelligent component of heat dissipation of the output and life of subassembly.
The junction box body on the photovoltaic module in the existing market is made of plastics, the heat conducting performance is poor, the temperature rises too fast, the temperature of corresponding assemblies can also rise in a superposition mode, and therefore the intelligent photovoltaic module made of the junction box with the heat dissipation structure is a development trend of the future market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a terminal box with heat radiation structure is provided to solve the not good problem of terminal box heat dissipation.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a terminal box with heat radiation structure, includes the terminal box, the terminal box is including the heat dissipation box body that adopts the heat dissipation material to make, the heat dissipation box body is including interior box and outer box, forms the heat dissipation intermediate layer between the surface of interior box and the internal surface of interior box, is equipped with the radiating medium that is used for radiating in the heat dissipation intermediate layer, be equipped with many baffling boards that are used for water conservancy diversion radiating medium in the heat dissipation intermediate layer, a side fixed connection of baffling board is on the surface of interior box, the another side fixed connection of baffling board is on the internal surface of outer box.
Further, the heat dissipation box body comprises an inner box and an outer box, and a heat dissipation interlayer is formed between the outer surface of the inner box and the inner surface of the inner box.
Further, the heat dissipation medium is cooling water.
Further, the heat dissipation material is a ceramic sheet.
The utility model has the advantages that: the junction box photovoltaic module made of the heat dissipation material can not only keep various performances of the existing photovoltaic module, but also reduce the surface temperature and the working temperature of the module.
Drawings
Fig. 1 is a schematic view of a photovoltaic module of the present invention;
fig. 2 is a schematic view of the baffle of the photovoltaic module of the present invention.
Wherein: 1. a heat dissipation box body 11, an inner box 12, an outer box 13, cooling water 2 and a baffle plate.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1; a junction box with a heat dissipation structure is provided, which comprises a junction box body 1 made of heat dissipation materials. The heat dissipation box body 1 comprises an inner box 11 and an outer box 12, and a heat dissipation interlayer is formed between the outer surface of the inner box 11 and the inner surface of the inner box 11. And a heat dissipation medium for heat dissipation is arranged in the heat dissipation interlayer. The heat dissipation medium is cooling water 13. A plurality of baffle plates 2 used for guiding cooling water 13 are arranged in the heat dissipation interlayer, the baffle plates 2 obstruct water flow to achieve the effect of sufficient heat dissipation, one side surface of each baffle plate 2 is fixedly connected to the outer surface of the inner box 11, and the other side surface of each baffle plate 2 is fixedly connected to the inner surface of the outer box 12. The heat dissipation material is a ceramic sheet.
The junction box is made of double-layer ceramic plates with high heat conductivity, and cooling water 13 is contained in the double-layer ceramic plates. The photovoltaic module with the heat dissipation box body 1 can keep various performances of the existing photovoltaic module, the surface temperature and the working temperature of the module are reduced, the power generation capacity of the module and the conversion efficiency of the module are improved, and more importantly, the outdoor reliability and the power generation capacity are improved. And the temperature of the assembly can be reduced, and the output power of the assembly can be improved. Therefore, the photovoltaic module with the heat dissipation box body 1 has greater competitive advantages and wide application prospects.
For this reason, through the relevant experimental studies, the study data are as follows;
(1) analyzing the working temperature of the existing photovoltaic module, junction box and carrying integrated structure;
(2) evaluating the photovoltaic module with the heat dissipation box body 1 by using a Fluke infrared thermal Imager (IR) device;
(3) the power generation capacity test system for the outdoor power generation capacity tests the power generation capacity of the photovoltaic module of the heat dissipation junction box;
(4) carrying out CAM simulation installation on the photovoltaic module with the heat dissipation box body 1, and evaluating the reliability of mechanical load;
(5) manufacturing a component sample and integrally installing a photovoltaic component with a heat dissipation box body 1;
(6) and testing and evaluating the photovoltaic module transport packaging structure with the heat dissipation box body 1.
The photovoltaic module with the heat dissipation box body 1 is evaluated, and the working temperature of the photovoltaic module with the heat dissipation box body 1 in a certain day is obtained by adopting an IR (infrared thermal imager) device of a Fluke infrared thermal imager as shown in the following table 1;
| temperature of the back plate/. degree.C | temperature/DEG C of heat dissipation junction box | Temperature of the component/. degree.C | |
| Maximum value | 46.6 | 48.5 | 46.5 |
| Minimum value | 41.1 | 44.2 | 40.9 |
| Mean value of | 43.7 | 46.6 | 43.6 |
Table 1; operating temperature of photovoltaic module with heat dissipation box body 1
The operating temperature of a common photovoltaic module is shown in table 2:
| temperature of the back plate/. degree.C | temperature/deg.C of common junction box | Temperature of the component/. degree.C | |
| Maximum value | 49.9 | 49.7 | 47.4 |
| Minimum value | 47.0 | 46.8 | 44.0 |
| Mean value of | 47.1 | 47.8 | 45.6 |
Table 2; operating temperature of common photovoltaic module
The above experimental results show that the actual working temperature of the photovoltaic module with the heat dissipation box body 1 is 2 ℃ lower than that of the common module and about 1.2 ℃ lower than that of the junction box.
Evaluating the generated energy of the heat dissipation alternating current photovoltaic module, and taking a 5pcs heat dissipation alternating current photovoltaic module and a 5pcs common micro-inverse module to carry out a generated energy test, wherein test data in a certain period of time are shown in a table 3;
table 3; power generation amount test data of photovoltaic module and common photovoltaic module
The experimental results show that the kWh/kWpp power generation capacity of the heat dissipation alternating current photovoltaic module is 6.32% higher than that of a common module.
The reliability of the photovoltaic module with the heat dissipation box body 1 is evaluated, and no hidden crack occurs in a 5400Pa mechanical load test after the test is finished.
In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (3)
1. The utility model provides a terminal box with heat radiation structure, a serial communication port, including the terminal box, the terminal box is including the heat dissipation box body (1) that adopts the heat dissipation material to make, heat dissipation box body (1) is including interior box (11) and outer box (12), forms the heat dissipation intermediate layer between the surface of interior box (11) and the internal surface of interior box (11), is equipped with the radiating medium that is used for radiating in the heat dissipation intermediate layer, be equipped with many baffling boards (2) that are used for water conservancy diversion radiating medium in the heat dissipation intermediate layer, a side fixed connection of baffling board (2) is on the surface of interior box (11), another side fixed connection of baffling board (2) is on the internal surface of outer box (12).
2. The junction box with a heat dissipation structure according to claim 1, wherein the heat dissipation medium is cooling water (13).
3. The junction box with a heat dissipation structure as claimed in claim 1, wherein the heat dissipation material is a ceramic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479109.2U CN210839467U (en) | 2019-09-06 | 2019-09-06 | Junction box with heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479109.2U CN210839467U (en) | 2019-09-06 | 2019-09-06 | Junction box with heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210839467U true CN210839467U (en) | 2020-06-23 |
Family
ID=71261610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921479109.2U Expired - Fee Related CN210839467U (en) | 2019-09-06 | 2019-09-06 | Junction box with heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210839467U (en) |
-
2019
- 2019-09-06 CN CN201921479109.2U patent/CN210839467U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |